Board Thread:General Discussion/@comment-29005445-20170111013153

Teto is a UTAU, she doesn't use the Vocaloid engine Neru and Haku are deprivatives of Miku. They are either Miku pitched up or down. ONE is a CeVio, not a Vocaloid. But yes, she is part of Aria of the Planetes project with IA. 